GB201413956D0 - Analogue-to-digital converter - Google Patents

Analogue-to-digital converter

Info

Publication number
GB201413956D0
GB201413956D0 GBGB1413956.2A GB201413956A GB201413956D0 GB 201413956 D0 GB201413956 D0 GB 201413956D0 GB 201413956 A GB201413956 A GB 201413956A GB 201413956 D0 GB201413956 D0 GB 201413956D0
Authority
GB
United Kingdom
Prior art keywords
analogue
digital converter
converter
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GBGB1413956.2A
Other versions
GB2522089A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Technologies International Ltd
Original Assignee
Cambridge Silicon Radio Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cambridge Silicon Radio Ltd filed Critical Cambridge Silicon Radio Ltd
Priority to GB1600732.0A priority Critical patent/GB2538126B/en
Publication of GB201413956D0 publication Critical patent/GB201413956D0/en
Publication of GB2522089A publication Critical patent/GB2522089A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/466—Multiplexed conversion systems
    • H03M3/468—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters
    • H03M3/47—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters using time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/44—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with provisions for rendering the modulator inherently stable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
    • H03M3/486—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the input gain
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
    • H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/42—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in parallel loops
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/466—Multiplexed conversion systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB1413956.2A 2014-01-08 2014-08-06 Analogue-to-digital converter Withdrawn GB2522089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1600732.0A GB2538126B (en) 2014-01-08 2014-08-06 Detecting an overload condition in an analogue-to-digital converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/150,164 US9442141B2 (en) 2014-01-08 2014-01-08 Analogue-to-digital converter

Publications (2)

Publication Number Publication Date
GB201413956D0 true GB201413956D0 (en) 2014-09-17
GB2522089A GB2522089A (en) 2015-07-15

Family

ID=51587839

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1600732.0A Expired - Fee Related GB2538126B (en) 2014-01-08 2014-08-06 Detecting an overload condition in an analogue-to-digital converter
GB1413956.2A Withdrawn GB2522089A (en) 2014-01-08 2014-08-06 Analogue-to-digital converter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1600732.0A Expired - Fee Related GB2538126B (en) 2014-01-08 2014-08-06 Detecting an overload condition in an analogue-to-digital converter

Country Status (3)

Country Link
US (1) US9442141B2 (en)
DE (1) DE102014016096A1 (en)
GB (2) GB2538126B (en)

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US8786337B2 (en) * 2012-05-14 2014-07-22 Ensphere Solutions, Inc. Low jitter clock generator for multiple lanes high speed data transmitter
US9240754B2 (en) 2013-12-30 2016-01-19 Qualcomm Technologies International, Ltd. Frequency fine tuning
US9391563B2 (en) 2013-12-30 2016-07-12 Qualcomm Technologies International, Ltd. Current controlled transconducting inverting amplifiers
CN107623494B (en) * 2017-10-19 2021-06-22 中国电子科技集团公司第三十八研究所 CMOS three-port amplifier applied to TR component
EP3565124A1 (en) * 2018-05-03 2019-11-06 ams AG Delta-sigma modulator with a automatic gain control in the feedback loop
CN111682877B (en) 2020-05-29 2023-04-28 成都华微电子科技股份有限公司 Analog-to-digital conversion method of pipeline analog-to-digital converter and pipeline analog-to-digital converter
CN111865307B (en) * 2020-07-09 2022-03-01 同济大学 Noise shaping analog-to-digital converter

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US5959504A (en) 1998-03-10 1999-09-28 Wang; Hongmo Voltage controlled oscillator (VCO) CMOS circuit
US6441767B1 (en) * 2000-11-29 2002-08-27 Raytheon Company Method and system for adjusting a threshold control in an analog-to-digital converter
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US6741123B1 (en) * 2002-12-26 2004-05-25 Cirrus Logic, Inc. Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same
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US7136430B2 (en) 2003-03-31 2006-11-14 Nortel Networks Limited Digital receiver and method
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Also Published As

Publication number Publication date
US20150194975A1 (en) 2015-07-09
GB201600732D0 (en) 2016-03-02
US9442141B2 (en) 2016-09-13
GB2538126A (en) 2016-11-09
DE102014016096A1 (en) 2015-07-09
GB2538126B (en) 2017-12-20
GB2522089A (en) 2015-07-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)